Add "executing" property to threads.

	* inferior.h (target_executing): Delete.
	* gdbthread.h (struct thread_info): Add executing_ field.
	(set_executing, is_executing): New.
	* thread.c (main_thread_executing): New.
	(init_thread_list): Clear it and also main_thread_running.
	(is_running): Return false if target has no execution.
	(any_running, is_executing, set_executing): New.

	* top.c: Include "gdbthread.h".
	(target_executing): Delete.
	(execute_command): Replace target_executing check by any_running.
	* event-top.c: Include "gdbthread.h".
	(display_gdb_prompt, command_handler): Replace target_executing by
	is_running.
	* inf-loop.c: Include "gdbthread.h".  Don't mark as not executing
	here.  Replace target_executing by is_running.
	* infrun.c (handle_inferior_event): Mark all threads as
	not-executing.
	* linux-nat.c (linux_nat_resume): Don't mark thread as executing
	here.
	* stack.c (get_selected_block): Return null if inferior is
	executing.
	* target.c (target_resume): Mark resumed ptid as executing.
	* breakpoint.c (until_break_command): Replace target_executing
	check by is_executing.
	* remote.c (remote_async_resume): Don't mark inferior as executing
	here.
	* mi/mi-interp.c (mi_cmd_interpreter_exec): Replace target_executing
	by any_running.

	* mi/mi-main.c (mi_cmd_exec_interrupt, mi_cmd_execute)
	(mi_execute_async_cli_command): Replace target_executing by
	is_running.

	* frame.c (get_current_frame): Error out if the current thread is
	executing.
	(has_stack_frames): New.
	(get_selected_frame, deprecated_safe_get_selected_frame): Check
	has_stack_frames.

	* Makefile.in (event-top.o, frame.o, inf-loop.o, top.o): Depend on
	$(gdbthread_h).

1 files changed, 3 insertions, 10 deletions

diff --git a/gdb/inf-loop.c b/gdb/inf-loop.c
index f77bc65..3f98bfc 100644
--- a/gdb/inf-loop.c
+++ b/gdb/inf-loop.c
@@ -26,6 +26,7 @@
 #include "remote.h"
 #include "exceptions.h"
 #include "language.h"
+#include "gdbthread.h"
 
 static int fetch_inferior_event_wrapper (gdb_client_data client_data);
 
@@ -72,14 +73,6 @@ inferior_event_handler (enum inferior_event_type event_type,
       break;
 
     case INF_EXEC_COMPLETE:
-
-      /* This is the first thing to do -- so that continuations know that
-	 the target is stopped.  For example, command_line_handler_continuation
-	 will run breakpoint commands, and if we think that the target is
-	 running, we'll refuse to execute most commands.  MI continuation
-	 presently uses target_executing to either print or not print *stopped.  */
-      target_executing = 0;
-
       /* Unregister the inferior from the event loop. This is done so that
 	 when the inferior is not running we don't get distracted by
 	 spurious inferior output.  */
@@ -121,8 +114,8 @@ inferior_event_handler (enum inferior_event_type event_type,
 
       /* If no breakpoint command resumed the inferior, prepare for
 	 interaction with the user.  */
-      if (!target_executing)
-	{              
+      if (!is_running (inferior_ptid))
+	{
 	  if (was_sync)
 	    {
 	      display_gdb_prompt (0);